The science of willpower: Earlier last year, Stanford health psychologist Kelly McGonigal, PhD, published a book based on her popular Stanford Continuing Studies course “The Science of Willpower.” In this Q&A, she discusses the latest research on the topic and how stress, sleep deprivation and nutrition can lessen our ability to resist temptations.

A study of people’s ability to love: To celebrate Valentine’s Day, quarterly DVD magazine Wholphin released a short film documenting an experiment by Stanford neuroscientists to determine whether it’s possible for one person to love more than another.